Insulating blanket



FIG. 1 is a top plan view of our new design for an insulating blanket.

FIG. 2 is a left side elevation view of the insulating blanket shown in FIG. 1.

FIG. 3 is a right side elevation view of the insulating blanket shown in FIG. 1.

FIG. 4 is a rear plan view of the insulating blanket shown in FIG. 1.

FIG. 5 is a front plan view of the insulating blanket shown in FIG. 1; and,

FIG. 6 is a side perspective view thereof.

The broken lines in the drawings are for illustrative purposes only and form no part of the claimed design. 

The ornamental design for an insulating blanket, as shown and described. 